private WopiRequest IdentifyFileRequest(HttpRequest httpRequest, PathString path, string accessToken, Features features)
{
var fileSegment = path.Value.Substring("/wopi/files/".Length)?.Trim();
var method = httpRequest.Method;
_logger?.LogTrace($"Extracted file segment from request path: '{fileSegment ?? "null"}' for method {method ?? "null"}");
if (string.IsNullOrWhiteSpace(fileSegment))
{
return(WopiRequest.EMPTY);
}
// NB - Collabora have not implemented support for the X-WOPI-ItemVersion header and so the Version field set in the
// CheckFileInfo response does not flow through to those endpoints where it is optional - eg GetFile.
// This unfortunately means we have to do some crazy workaround using the fileId, and thus use that to derive
// the relevant metadata needed for us to operate correctly. Hopefully this will prove to be just a temporary
// workaround
if (fileSegment.EndsWith("/contents"))
{
var fileId = fileSegment.Substring(0, fileSegment.Length - "/contents".Length)?.Trim() ?? "null";
_logger?.LogTrace($"Identified 'contents' request. File Id extracted from url is: '{fileId}'");
if (string.IsNullOrWhiteSpace(fileId))
{
return(WopiRequest.EMPTY);
}
var fileVersion = httpRequest.Headers["X-WOPI-ItemVersion"].FirstOrDefault();
var file = File.FromId(fileId, fileVersion);
if (0 == string.Compare("GET", method, StringComparison.OrdinalIgnoreCase))
{
_logger?.LogTrace($"Identified this to be a Get File request");
var isEphemeralRedirect = bool.Parse(httpRequest.Query["ephemeral_redirect"].FirstOrDefault() ?? bool.FalseString);
if (isEphemeralRedirect)
{
return(RedirectToFileStoreRequest.With(file, accessToken));
}
return(GetFileWopiRequest.With(file, accessToken));
}
else if (0 == string.Compare("POST", method, StringComparison.OrdinalIgnoreCase))
{
_logger?.LogTrace($"Identified this to be a Save File request");
return(PostFileWopiRequest.With(file.Name, accessToken));
}
else
{
_logger?.LogTrace($"The request method '{method}' is not supported for path '{path.Value ?? "null"}'");
}
}
else
{
var fileId = fileSegment;
_logger?.LogTrace($"File Id extracted from url is: '{fileId}'. Attempting to identity request type");
if (0 == string.Compare("GET", method, StringComparison.OrdinalIgnoreCase))
{
_logger?.LogTrace($"Identified this is a Check File Info request");
var file = (File)fileId;
return(CheckFileInfoWopiRequest.With(file, accessToken, features));
}
else
{
_logger?.LogTrace($"The request method '{method}' is not supported for path '{path.Value ?? "null"}");
}
}
return(WopiRequest.EMPTY);
}
public void With_ThrowsIfAuthenticatedUserIsNull()
{
var file = File.FromId(Guid.NewGuid().ToString());
GetFileWopiRequestHandler.With(default, file);